Question

Obtain the 10’s complement of the following six-digit decimal numbers: 123900 980657

Answer 1

Answer:

876100

019343

Explanation:

10s complement of a decimal number is obtained by the following process:

- Obtain 9s complement ( Subtract each digit by 9)

- Add 1 to the result

1) 123900

9s complement => (9-1)(9-2)(9-3)(9-9)(9-0)(9-0)

= 876099

Adding 1 , 10s complement of 123900 = 876100

2) 980657

9s complement = (9-9)(9-8)(9-0)(9-6)(9-5)(9-7)

= 019342

Adding 1 , 10s complement of 980657 = 019343